Clementine-audio-player-Mac.../3rdparty/libechonest/Config.cpp

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/****************************************************************************************
* Copyright (c) 2010 Leo Franchi <lfranchi@kde.org> *
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* Copyright (c) 2011 Jeff Mitchell <mitchell@kde.org> *
* *
* This program is free software; you can redistribute it and/or modify it under *
* the terms of the GNU General Public License as published by the Free Software *
* Foundation; either version 2 of the License, or (at your option) any later *
* version. *
* *
* This program is distributed in the hope that it will be useful, but WITHOUT ANY *
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A *
* PARTICULAR PURPOSE. See the GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License along with *
* this program. If not, see <http://www.gnu.org/licenses/>. *
****************************************************************************************/
#include "Config.h"
#include <QNetworkAccessManager>
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#include <QThread>
#include <QDebug>
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#include <QMutex>
Echonest::Config* Echonest::Config::s_instance = 0;
QUrl Echonest::baseUrl()
{
QUrl url;
url.setScheme( QLatin1String( "http" ) );
url.setHost( QLatin1String( "developer.echonest.com" ) );
return url;
}
QUrl Echonest::baseGetQuery(const QByteArray& type, const QByteArray& method)
{
QUrl url = baseUrl();
url.setPath( QString::fromLatin1( "/api/v4/%1/%2" ).arg( QLatin1String( type ) ).arg( QLatin1String( method ) ) );
url.addEncodedQueryItem( "api_key", Echonest::Config::instance()->apiKey() );
url.addEncodedQueryItem( "format", "xml" );
return url;
}
Echonest::ParseError::ParseError(Echonest::ErrorType error): exception()
{
type = error;
}
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Echonest::ParseError::ParseError(Echonest::ErrorType error, const QString& text): exception()
{
type = error;
extraText = text;
}
Echonest::ParseError::~ParseError() throw()
{}
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Echonest::ErrorType Echonest::ParseError::errorType() const throw()
{
return type;
}
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void Echonest::ParseError::setNetworkError( QNetworkReply::NetworkError error ) throw()
{
nError = error;
}
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const char* Echonest::ParseError::what() const throw()
{
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// If we have specific error text, return that first
if( !extraText.isEmpty() )
return extraText.toLatin1().constData();
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switch( type )
{
case UnknownError:
return "Unknown Echo Nest Error";
case NoError:
return "No Error";
case MissingAPIKey:
return "Missing Echo Nest API Key";
case NotAllowed:
return "Method not allowed";
case RateLimitExceeded:
return "Rate limit exceeded";
case MissingParameter:
return "Missing parameter";
case InvalidParameter:
return "Invalid parameter";
case UnfinishedQuery:
return "Unfinished query object";
case EmptyResult:
return "No results";
case NetworkError:
return "Network Error";
case UnknownParseError:
return "Unknown Parse Error";
}
return "";
}
QNetworkReply::NetworkError Echonest::ParseError::networkError() const throw()
{
return nError;
}
class Echonest::ConfigPrivate {
public:
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ConfigPrivate()
{
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threadNamHash[ QThread::currentThread() ] = new QNetworkAccessManager();
}
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~ConfigPrivate()
{
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QThread *currThread = QThread::currentThread();
if( threadNamHash.contains( currThread ) )
{
if ( ourNamSet.contains( currThread ) )
delete threadNamHash[ currThread ];
threadNamHash.remove( currThread );
ourNamSet.remove( currThread );
}
}
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QMutex accessMutex;
QHash< QThread*, QNetworkAccessManager* > threadNamHash;
QSet< QThread* > ourNamSet;
QByteArray apikey;
};
Echonest::Config::Config()
: d( new Echonest::ConfigPrivate )
{
}
Echonest::Config::~Config()
{
delete d;
}
void Echonest::Config::setAPIKey(const QByteArray& apiKey)
{
d->apikey = apiKey;
}
QByteArray Echonest::Config::apiKey() const
{
return d->apikey;
}
void Echonest::Config::setNetworkAccessManager(QNetworkAccessManager* nam)
{
if( !nam )
return;
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QMutexLocker l( &d->accessMutex );
QThread* currThread = QThread::currentThread();
QNetworkAccessManager* oldNam = 0;
if( d->threadNamHash.contains( currThread ) && d->ourNamSet.contains( currThread ) )
oldNam = d->threadNamHash[ currThread ];
if( oldNam == nam )
return;
d->threadNamHash[ currThread ] = nam;
d->ourNamSet.remove( currThread );
if( oldNam )
delete oldNam;
}
QNetworkAccessManager* Echonest::Config::nam() const
{
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QMutexLocker l( &d->accessMutex );
QThread* currThread = QThread::currentThread();
if( !d->threadNamHash.contains( currThread ) )
{
QNetworkAccessManager *newNam = new QNetworkAccessManager();
d->threadNamHash[ currThread ] = newNam;
d->ourNamSet.insert( currThread );
return newNam;
}
return d->threadNamHash[ currThread ];
}
Echonest::Config* Echonest::Config::instance() {
if ( !s_instance ) {
s_instance = new Config;
}
return s_instance;
}